diff --git a/include/packet.h b/include/packet.h
index 3870be6967a6367212e330ca1ebb393245c45dd5..040fd6387073bc1082540154fc53feb19ee7045a 100644
--- a/include/packet.h
+++ b/include/packet.h
@@ -72,8 +72,8 @@ enum PID2_SUBTYPE_COMMAND_REQUEST{
 };
 enum PID2_SUBTYPE_COMMTEST_REQUEST{
     DP5_P2_COMMTEST_REQUEST_ACK                   = 0xF1,
-    DP5_P2_COMMTEST_REQUEST_STREAM                = 0xF2,
-    DP5_P2_COMMTEST_REQUEST_ECHO                  = 0xF3,
+    DP5_P2_COMMTEST_REQUEST_STREAM                = 0x7E,
+    DP5_P2_COMMTEST_REQUEST_ECHO                  = 0x7F,
 };
 enum PID2_SUBTYPE_STATUS_RESPONSE{
     DP5_P2_STATUS_RESPONSE_INFO = 0x01,